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Nucleotides

Gertrude Elion: Forging the path towards a cure for cancer

by Isabella Fraschilla Gertrude Elion Despite never receiving a PhD, Gertrude Elion was awarded the 1988 Nobel Prize in Medicine. She shared this prize with Sir James Black and her mentor George Hitchings for revolutionizing pharmacology by…

Scientists create an expanded 8-letter DNA genetic code

Each cell in a living organism has an instruction manual known as the genome. These instructions are spelled out using letters, called bases, that pair with one another to form long double-stranded molecules of helical DNA. Life as we know it uses 4…

Expanding the genetic alphabet

Since the beginning of time, the genetic alphabet in all living things has consisted of 4 letters. Now, scientists have discovered a way to expand the genetic code to store and use orders of magnitude more information than ever before. Deoxyribonucleic…